So what is a Blue Moon? When there are two Full Moons in one month, the second one is called a Blue Moon. As the lyrics read from that classic song, “Just once in a very blue moon, and I feel one comin’ on soon”. Yes, one is comin’ soon . . . on January 31st. Remember that 2018 started with a Super Moon on January 1st. A Super Moon is when the Full Moon is closer to the Earth and appears a bit larger. It is actually 14% larger than the smallest Moon, which is quite significant and noticeable wi…